"1924-03-15Z"^^ . . "1924-03-14Z"^^ . "Mathematician" . . . . . "Aldo Andreotti (15 March 1924 \u2013 21 February 1980) was an Italian mathematician who worked on algebraic geometry, on the theory of functions of several complex variables and on partial differential operators."@en . "Aldo Andreotti"@en . . "1924Z"^^ . . . . . "1980-02-21Z"^^ . . "1980Z"^^ . . "Andreotti, Aldo"@en .